<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
</head>
<script src="bundle.js"></script>
<body>
	<div class="tab">
    	<section class="btnBox">
        	<input class="active" type="button" value="按钮1" />
            <input type="button" value="按钮2" />
            <input type="button" value="按钮3" />
        </section>
        <ul>
        	<li class="show">1</li>
            <li>2</li>
            <li>3</li>
        </ul>
    </div>
</body>
</html>